You can print this diagram out and fill it in by hand, or you can update it daily in Visio itself. The drawing has some nifty automated SmartShape features that make updates easy. Just double-click a game and enter the scores. The winners automatically propagate to the next level, so you don’t have to do any data re-entry. Or you can just right-click each game and choose a winner without worrying about entering a score at all!

You can read more about how the document works in the original article: